Event 삭제 / unbind / off

$(selector).off('event_name');


$('.tab').on('click', function(){...});
$('.tab').off('click');

$('.tab').on('click.mynamespace', funcion(){...});
$('.tab').off('click.mynamespace');

from. stackoverflow

Hover event 삭제 / unbind / off

$(selector).hover(function(){...});
$(selector).off('mouseenter mouseleave')

from. stackoverflow